Objective: We aimed to analyze the relationship between optimism and quality of life (QoL) among informal caregivers of patients with dementia (PWD).; Design: In this cross-sectional study, a hierarchical multiple linear regression analysis was used to determine the association between optimism and caregiver's QoL after controlling the effect of different covariates, including burden.; Participants: A sample of 130 PWD and their informal caregivers underwent a comprehensive protocol of assessment.; Measurements: Caregivers
